Home / 12,859,068.96-17,745,491.61-7,352,547.21

Finding the Fourth Proportional to 12,859,068.96, 17,745,491.61 and 7,352,547.21

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Solution

The fourth proportional to 12,859,068.96, 17,745,491.61 and 7,352,547.21 is: 10,146,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,068.96 : 17,745,491.61 = 7,352,547.21 : x
  2. Step 2: Convert to fraction form
    12,859,068.96/17,745,491.61 = 7,352,547.21/x
  3. Step 3: Cross multiply
    12,859,068.96x = 17,745,491.61 × 7,352,547.21
  4. Step 4: Simplify right side
    12,859,068.96x = 130,474,564,827,183.91
  5. Step 5: Solve for x
    x = 130,474,564,827,183.91/12,859,068.96
  6. Step 6: Final answer
    x = 10,146,501.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.